danil.smirnov
Danil Smirnov’s blog
Danil Smirnov
Containers, Serverless and DevOps
Latest Posts
Ode to Elastic IP
There is a widespread belief that a public Elastic IP address in AWS is a marker of non-optimal architecture. Smart cloud architects…
Select Nginx location by basic HTTP auth user
Google hasn’t brought any recipes to me so I decided to write my own. Why? Well, we can get some basic RBAC using just pure Nginx…
Integration of ACM with Nginx via AWS Nitro Enclaves
Everyone prises AWS Certificate Manager for its security and operational excellence.
How to avoid redirect address disclosure by Postfix bounces
There is a couple of email addresses one should have configured from day 0 for any internet domain to ensure it complies with the best…
How to send emails in 2020
Sending emails is a complicated topic still due to the anti-SPAM war, which lasts for decades already. One can’t simply send emails using…
Postfix in Docker
To be a maintainer of an email server is hard. One can’t simply apt install default-mta to get a healthy and robust email system. Even now…
CloudWatch Logs Insights to Metrics
The idea of this article have come from the following blog of Jeff Barr, in which he wrote:
Number range validation in CloudFormation parameters
I suppose everyone agrees that as mature infrastructure engineers we won’t allow our CloudFormation stacks to receive incorrect parameters…
cfn-response with nodejs8.10 and promises
If you’ve come to this article because of its title, you’re most probably aware of what cfn-response is, so you can skip the next section…
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